The TNM and WHO classification systems grade tumors into four categories according to degree of cell differentiation; however, the grades are defined on the basis of subjective judgment, which can ...

“Poorly differentiated” refers to cancer cells that have more abnormalities and look less like normal cancer cells. Poorly differentiated thyroid cancer is uncommon, accounting for fewer than 5% of ...

Gastric cancer is one of the main causes of cancer death in China. Most of these patients have poor prognosis because of late presentation and diagnosis. The best tactics for dealing with gastric ...